<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图片层叠</title>
    <style>

        *{
            margin:4px 0 0 0;
            padding: 0;
            background: #cccccc;
        }

        div{
            text-align: center;
        }

        img{
            width: 40px;
            height: 40px;
            border-radius: 20px;
            margin-left: -10px;
        }

        img:first-child{
            margin-left: 0;
        }

    </style>
</head>
<body>
    <div class="box">
        <img src="images/001.jpg" /><img src="images/002.jpg" /><img src="images/003.jpg" /><img src="images/004.jpg" /><img src="images/005.jpg" />
    </div>
</body>
</html>